valeriuguna3 valeriuguna3

13-08-2021
Mathematics

contestada

Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD = 9
and BD = 12, what is the length of DC?

Respuesta :

sadovnichenkoant sadovnichenkoant

13-08-2021

Answer:

16

Step-by-step explanation:

Use a special rule: BD^2=AD*DC (the squared height in right triangle drawn to hypotenuse is equal to the product of the parts of hypotenuse on which height divides the hypotenuse) 12^2=9*DC

DC=16

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